Carbike360 comprehensive Audi Q8 e-tron 50 and BMW X5 xDrive40i xLine comparison based on the price, specification, fuel efficiency, features and more. Audi Q8 e-tron 50 comes with a price of ₹1.15 Cr and BMW X5 xDrive40i xLine is priced at ₹97.80 Lakh. Audi Q8 e-tron 50 equipped with Not Applicable Cylinders Inline, Not Applicable Valves/Cylinder, Not Applicable engine whereas BMW X5 xDrive40i xLine has2998 cc, 6 Cylinders Inline, 4 Valves/Cylinder, DOHC